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Allen Bradley 440N-Z21SS2BN Guard Master Stainless Steel Switch

Allen Bradley 440N-Z21SS2BN Guard Master safety switch, NEMA 6P, stainless steel.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerAllen Bradley

Part number440N-Z21SS2BN

Actuator Material Stainless Steel

Housing Material Stainless Steel

Environmental Rating NEMA 6P

Series 440N Guard Master

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12-month warranty

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Same-day dispatch

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Stainless steel actuator and housing NEMA 6P rating Superior washdown protection High corrosion resistance Reliable interlocking

Product description

The Allen Bradley 440N-Z21SS2BN is a high-grade Guard Master safety switch featuring a stainless steel actuator and housing, designed for extreme durability and resistance to harsh conditions. It is rated NEMA 6P, offering robust protection against water ingress and submersion, making it ideal for washdown applications.

This safety switch is critical in industries such as food and beverage processing, pharmaceutical manufacturing, and chemical plants where equipment must withstand frequent cleaning and corrosive substances. It ensures compliance with safety regulations by preventing access to hazardous machinery.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, is pleased to offer the Allen Bradley 440N-Z21SS2BN. We ensure competitive pricing and availability for your automation needs.

Technical specifications

Actuator Material	Stainless Steel
Housing Material	Stainless Steel
Environmental Rating	NEMA 6P
Series	440N Guard Master
Corrosion Resistance	High

Common applications

Food & Beverage Industry

Pharmaceutical Manufacturing

Chemical Processing

Wet & Corrosive Environments

Industrial Washdown

Machine Safety

Compatible systems

Designed to integrate seamlessly with Allen Bradley Guard Master safety relays and control systems.

Also known as

440N-Z21SS2BN Switch AB Guard Master Safety Interlock Stainless Steel Washdown Switch

Replaces / compatible with

This model serves as a robust replacement for safety switches in applications demanding high resistance to moisture and chemicals. Compatible with Guard Master accessories.

Technical note

Expert tip

The NEMA 6P rating makes this switch an excellent choice for applications where equipment is frequently exposed to high-pressure cleaning or immersion.

What happens next?

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Frequently asked questions

Is the 440N-Z21SS2BN suitable for continuous washdown environments?

Yes, the Allen Bradley 440N-Z21SS2BN is specifically designed for washdown environments with its stainless steel construction and NEMA 6P rating, which protects against water ingress and submersion. This ensures reliable operation even under demanding cleaning protocols.